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Tagged with ws2812b microcontroller
5 questions
0
votes
1
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read a RGB bit signal using the RMT module on an esp32-c3 devkit
I am trying to use the RMT module on the esp32-c3 devkit to read a RGB bit signal which drives a WS2812b. The bit signal is around 800 kHz therefore the basic PulseIn() command on Arduino IDE cannot ...
- 13
1
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2
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IC suggestions for WS28xx like functionality for driving transistors
I'm trying to light up string lights that run off of 12v taking up 500mA.
I'm using BC337 NPN transistor to turn individual string lights on/off where all of them are connected through a DC rail of ...
- 13
0
votes
1
answer
61
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NZR signal and multiplexer 74LVC1G157
I'm trying to use a WS2812B addressable LED with a multiplexer 74LVC1G157. I have test code on an Arduino, and if I connect the LED to I0 or I1, the color of the LED changes, but the delay selector ...
- 410
2
votes
2
answers
666
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Fixing power supply interference issue (?)
I am working on a project that involves controlling WS2812B led strips using a Teensy 4.0 microcontroller. I got everything working during the testing phase, but now, after transitioning from ...
- 25
1
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0
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696
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WS2812b LEDs intermittently do not respond to data signal
I have wired up permanent holiday LEDs on the front of my home, using a 5V 60A power supply and several strips of WS2812b's (generic Neopixels), controlled by a Wemos D1 mini.
The Wemos is powered ...
- 11